dahlem.dk is a .dk domain served by 2 nameservers (dalary.ns.cloudflare.com, olof.ns.cloudflare.com). It was registered on 21 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| www | 104.21.67.213 172.67.181.96 2606:4700:3030::6815:43d5 2606:4700:3030::ac43:b560 (AS13335) (address records, no CNAME) |
| www vs bare domain | Only www resolves dahlem.dk: no address (all like this)www.dahlem.dk: 104.21.67.213 172.67.181.96 2606:4700:3030::6815:43d5 2606:4700:3030::ac43:b560 (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.dahlem.dk | KlG9PDb-cy7Jr0nfxbnfbFx64FsRAzvKzaHUVm3nzXQ |
| TXT | _acme-challenge.dahlem.dk | gHiGMsr302_lgaPls30ipGZ8PP9uWBKq5auysVc6LmA |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2416346089 |
| Primary NS (MNAME) | dalary.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-08-21 |
| Expires | 2035-09-30 (3270d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| bedibia.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 04:52:25 | 709ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-10-02 23:40:24 | 888ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-10-01 23:38:35 shown | 1066ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-27 22:50:06 | 786ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-27 04:49:17 | 836ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-25 04:23:16 | 858ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-04 08:55:40 | 1967ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-09 17:00:35 | 8630ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-07 00:18:48 | 10921ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-28 03:00:28 | 18041ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-17 22:45:36 | 1429ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-27 02:38:37 | 820ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-22 07:42:32 | 700ms | 2 NS 0 A 7 MX | ⚠️ Bogus |
| 2026-06-20 09:08:36 | 580ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-20 03:19:52 | 1420ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-16 23:49:21 | 507ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-16 23:41:14 | 624ms | 2 NS 0 A 7 MX | 🔒 Secure |